1 /* $OpenBSD: cmd-unbind-key.c,v 1.13 2012/05/05 17:40:47 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 21 #include "tmux.h" 22 23 /* 24 * Unbind key from command. 25 */ 26 27 int cmd_unbind_key_check(struct args *); 28 int cmd_unbind_key_exec(struct cmd *, struct cmd_ctx *); 29 30 int cmd_unbind_key_table(struct cmd *, struct cmd_ctx *, int); 31 32 const struct cmd_entry cmd_unbind_key_entry = { 33 "unbind-key", "unbind", 34 "acnt:", 0, 1, 35 "[-acn] [-t key-table] key", 36 0, 37 NULL, 38 cmd_unbind_key_check, 39 cmd_unbind_key_exec 40 }; 41 42 int 43 cmd_unbind_key_check(struct args *args) 44 { 45 if (args_has(args, 'a') && args->argc != 0) 46 return (-1); 47 if (!args_has(args, 'a') && args->argc != 1) 48 return (-1); 49 return (0); 50 } 51 52 int 53 cmd_unbind_key_exec(struct cmd *self, unused struct cmd_ctx *ctx) 54 { 55 struct args *args = self->args; 56 struct key_binding *bd; 57 int key; 58 59 if (!args_has(args, 'a')) { 60 key = key_string_lookup_string(args->argv[0]); 61 if (key == KEYC_NONE) { 62 ctx->error(ctx, "unknown key: %s", args->argv[0]); 63 return (-1); 64 } 65 } else 66 key = KEYC_NONE; 67 68 if (args_has(args, 't')) 69 return (cmd_unbind_key_table(self, ctx, key)); 70 71 if (key == KEYC_NONE) { 72 while (!RB_EMPTY(&key_bindings)) { 73 bd = RB_ROOT(&key_bindings); 74 key_bindings_remove(bd->key); 75 } 76 return (0); 77 } 78 79 if (!args_has(args, 'n')) 80 key |= KEYC_PREFIX; 81 key_bindings_remove(key); 82 return (0); 83 } 84 85 int 86 cmd_unbind_key_table(struct cmd *self, struct cmd_ctx *ctx, int key) 87 { 88 struct args *args = self->args; 89 const char *tablename; 90 const struct mode_key_table *mtab; 91 struct mode_key_binding *mbind, mtmp; 92 93 tablename = args_get(args, 't'); 94 if ((mtab = mode_key_findtable(tablename)) == NULL) { 95 ctx->error(ctx, "unknown key table: %s", tablename); 96 return (-1); 97 } 98 99 if (key == KEYC_NONE) { 100 while (!RB_EMPTY(mtab->tree)) { 101 mbind = RB_ROOT(mtab->tree); 102 RB_REMOVE(mode_key_tree, mtab->tree, mbind); 103 xfree(mbind); 104 } 105 return (0); 106 } 107 108 mtmp.key = key; 109 mtmp.mode = !!args_has(args, 'c'); 110 if ((mbind = RB_FIND(mode_key_tree, mtab->tree, &mtmp)) != NULL) { 111 RB_REMOVE(mode_key_tree, mtab->tree, mbind); 112 xfree(mbind); 113 } 114 return (0); 115 } 116